CN102097688A - High definition multimedia interface (HDMI) connector and manufacturing method thereof - Google Patents
High definition multimedia interface (HDMI) connector and manufacturing method thereof Download PDFInfo
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- CN102097688A CN102097688A CN2010106043746A CN201010604374A CN102097688A CN 102097688 A CN102097688 A CN 102097688A CN 2010106043746 A CN2010106043746 A CN 2010106043746A CN 201010604374 A CN201010604374 A CN 201010604374A CN 102097688 A CN102097688 A CN 102097688A
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Abstract
The invention discloses a high definition multimedia interface (HDMI) connector, comprising an insulating body, a plurality of conductive terminals which are distributed side by side, a screening can and a bottom cover, wherein the connecting parts of the plurality of conductive terminals are subjected to insert molding and then are buried in the insulating body; the contact parts of the plurality of conductive terminals extend horizontally and are divided into an upper row and a lower row which are respectively exposed out of the upper surface and the lower surface of a clapper of the insulating body; weld legs of the plurality of conductive terminals are bent downwards to be divided into a first row of weld legs, a second row of weld legs and a third row of weld legs which are arranged with clearances from front to back; the first row of weld legs is aligned with the third row of weld legs in the direction of front to back; and the second row of welding legs and the third row of welding legs are staggeredly distributed in the direction of left to right, thus effectively enlarging clearance between the two adjacent weld legs so as to ensure the electrical property of a product, and being convenient to carry out a tin soldering process of the product successfully so as to improve product quality and working efficiency.
Description
Technical field
The present invention relates to the field of connectors technology, refer in particular to a kind of HDMI connector and preparation method thereof.
Background technology
High-definition multimedia digital connector (High Definition Multimedia Interface is called for short HDMI) be first also be the unique support of industry do not compress digital audio/video interface.HDMI has greatly simplified wiring by transmit high definition, digital Voice ﹠ Video content in a cable, experiences for the consumer provides the home theater of first water.And HDMI (High Definition Multimedia Interface) (HDMI) has extensively become the interface standard of Digital Television and consumption electronic product, current, for cooperating high-quality video-audio signal transmission, on many video and audio products, all can set up one group of HDMI connector, allow the user can connect the HDMI transmission line and use.
Existing HDMI connector mainly is made up of the conducting terminal of insulating body, bottom, screening can and 19PIN, the conducting terminal of 19PIN is divided on the upper and lower surface of hyoplastron that two rows are distributed in insulating body, after conducting terminal and insulating body winding, again insulating body is connected to screening can inside, bottom is loaded on the below of insulating body, the welding foot that is used for fixing conducting terminal, guarantee that the spacing between the welding foot distributes, to improve the speed of welding and the success rate of welding foot and circuit board.During use, conducting terminal is extended the external welding foot of metal cap to be connected with circuit board, after the terminal electric mortiser interface of audio-visual transmission line was pegged graft, video-audio signal was transferred on the circuit board by conducting terminal, and the circuit board that makes the video-audio signal of external device (ED) transfer to device is handled.
Above-mentioned existing HDMI connector construction, though can offer its basic HDMI transmission linkage function, really has progressive, but in the process of reality use and production and assembly, but find to fail to reach best result of use and task performance, still have many deficiencies on himself structure and the serviceability, on the one hand, because arranging of each welding foot is unreasonable, cause the spacing between each welding foot too little, bring puzzlement for its weld job; On the other hand for the HDMI connector of board plug type welding, it is when the assembling bottom, and terminal usually occurs producing more fraction defective because of not aligning location hole on the bottom with the phenomenon of terminal bending, influences production and assembly quality and efficient; Moreover, because the number of terminals of HDMI connector is more, under the product structure condition of microminiaturization development, especially the spacing between its welding foot is quite small between each terminal, therefore more and more high to terminal bending quality and requirement, problem too close mutually after the terminal bending is outstanding further; In addition, also have the defective of complex structure, complex steps and inefficiency on the product structure of Xian You HDMI connector and the manufacture method.
Summary of the invention
Main purpose of the present invention provides a kind of HDMI connector and preparation method thereof, and it is by the position of each welding foot that rationally distributes, with the pitch problems of the welding foot that solves connector.
Another object of the present invention provides a kind of HDMI connector and preparation method thereof, and its welding foot that can effectively solve aforementioned conducting terminal easily is bent and the near excessively problem of bending.
For achieving the above object, the present invention adopts following technical scheme:
A kind of HDMI connector comprises an insulating body, and a hyoplastron is extended in the front portion of this insulating body;
A plurality of conducting terminals that distribute side by side, the connecting portion of this plural conductive terminal is panelized into type and is embedded in the aforementioned dielectric body, the equal horizontal expansion of the contact site of plural conductive terminal also is divided into the upper and lower surface that two rows are exposed to aforementioned hyoplastron respectively, be divided into first row's welding foot, second row's welding foot and the 3rd row's welding foot that fore-and-aft clearance is arranged after the downward bending of the welding foot of plural conductive terminal, wherein, first row's welding foot is provided with respect to alignment before and after the 3rd row's welding foot, and staggered spacing distributes about relative the 3rd row's welding foot of second row's welding foot; One screening can, it is coated on aforementioned dielectric, and this is external; One bottom, spiral-lock is in the bottom surface of aforementioned dielectric body from bottom to top for it, and corresponding aforementioned each welding foot is provided with a location hole that vertically runs through on the bottom, and welding foot is passed down through this location hole.Preferably, the rear portion of described insulating body is extended with a baffle plate, and the bending part of each welding foot of correspondence is close to the below of this baffle plate.
Preferably, the bottom surface of described baffle plate is extended a plurality of dividing plates downwards, and each welding foot of correspondence is between adjacent two dividing plates.
Preferably, described baffle plate is provided with the via hole that is used to make things convenient for each conducting terminal of bending.
Preferably, the free tail end of the contact site of described each conducting terminal is embedded in the hyoplastron of insulating body.
Preferably, be provided with groove at each conducting terminal on the front end face of described hyoplastron, the place of fractureing of conducting terminal is sunken in this groove.
Preferably, be respectively arranged with separate slot between two contact sites on the upper and lower surface of described hyoplastron.
A kind of manufacture method of HDMI connector includes following steps:
The first step: make conducting terminal, punch forming goes out row's plural conductive terminal on same sheet metal, the front end of plural conductive terminal is torn material be shaped to upper and lower two rows, the rear end blanking of a plurality of terminals is shaped to a row, making wherein as alignment before and after the rear end of the conducting terminal of first row's welding foot and the 3rd row's welding foot to be connected, as the rear end of second row's welding foot with respect to as staggered spacing distribution about the rear end of the conducting terminal of the 3rd row's welding foot; And the front end of this plural conductive terminal still is connected with one first strip, and the rear end of plural conductive terminal still is connected with one second strip;
Second step: make insulating body, outside the connecting portion of aforementioned a plurality of terminals, coat an insulating body by inserted injection molding process, a hyoplastron is extended in the front portion of insulating body, and the upper and lower surface that upper and lower two rows of end are exposed to hyoplastron respectively before the aforementioned plural conductive terminal forms contact site;
The 3rd step: cut off strip, promptly cut off first strip and second strip of the front-end and back-end that are connected in aforementioned plural conductive terminal respectively, wherein when cutting off second strip, cut off simultaneously as being connected between the terminal of first row's welding foot and the 3rd row's welding foot, make the rear end of this plural conductive terminal form three kinds of terminal length, the length of three promptly corresponding row's welding foots;
The 4th step: bending welding foot, at first that rear end in aforementioned a plurality of terminals is the shortest terminal bending 90 degree form first row's welding foot, then that rear end in aforementioned a plurality of terminals is long terminal bending 90 degree form second row's welding foot, and at last that rear end in aforementioned a plurality of terminals is the longest terminal bending 90 degree form the 3rd row's welding foot;
The 5th the step: the assembling bottom, with bottom from bottom to top spiral-lock in the bottom surface of insulating body each welding foot of conducting terminal is passed over against the location hole on the bottom.
The 6th step: the assembling screening can screening can is set in screening can on the insulating body from front to back, and riveted shell and plastic cement makes it can not get loose.
Preferably, in the process of making insulating body in described second step, mold a baffle plate, mold a plurality of dividing plates, on baffle plate, mold and be useful on the via hole that makes things convenient for each conducting terminal of bending in the bottom surface of baffle plate in the rear portion of insulating body; Perhaps, the free tail end of the contact site of each conducting terminal is embedded in the insulating body; Perhaps, on the front end face of hyoplastron, mold groove simultaneously at each conducting terminal; Perhaps, simultaneously mold separate slot between two contact sites respectively in the upper and lower surface of hyoplastron.
The present invention compared with prior art has tangible advantage and beneficial effect, particularly, as shown from the above technical solution, it mainly is by being divided into first row's welding foot, second row's welding foot and the 3rd row's welding foot that fore-and-aft clearance is arranged after the downward bending of the welding foot of plural conductive terminal, make wherein and first arrange welding foot with respect to the setting of aliging before and after the 3rd row's welding foot, second arranges staggered spacing distribution about relative the 3rd row's welding foot of welding foot; So can effectively strengthen the spacing between adjacent two welding foots,, make things convenient for the carrying out smoothly of soldering tin technique of product, and then promote product quality and operating efficiency to guarantee the electric property of product.And, by extending baffle plate, utilize this baffle plate to be butted on the back side of welding foot in the insulating body rear portion, prevent that welding foot is bent in the process of inserting bottom; By on this baffle plate, extending dividing plate downwards, utilize this dividing plate also can effectively intercept between adjacent two welding foots, avoid welding foot in the bending process too near and influence transmission quality.
For more clearly setting forth architectural feature of the present invention and effect, the present invention is described in detail below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the three-dimensional diagrammatic sketch of assembling of the present invention's embodiment;
Fig. 2 is the three-dimensional diagrammatic sketch of assembling at another visual angle of Fig. 1;
Fig. 3 is the exploded view of the present invention's embodiment;
Fig. 4 is the configuration diagram of the first step in the present invention's the manufacture method;
Fig. 5 is the configuration diagram in second step in the present invention's the manufacture method;
Fig. 6 is the configuration diagram in the 3rd step in the present invention's the manufacture method;
Fig. 7 to Fig. 9 is the configuration diagram in the 4th step in the present invention's the manufacture method;
Figure 10 is the 5th step and the 6th configuration diagram that goes on foot in the present invention's the manufacture method.
The accompanying drawing identifier declaration:
10, insulating body 11, hyoplastron
12, separate slot 13, groove
14, baffle plate 15, dividing plate
16, via hole 17, caulking groove
20, conducting terminal 21, connecting portion
22, contact site 23, welding foot
231, first row's welding foot 232, second row's welding foot
233, the 3rd row's welding foot 24, first strip
25, second strip 30, screening can
31, riveting plate 40, bottom
41, location hole.
Embodiment
At first, please refer to Fig. 1 to shown in Figure 3, it has demonstrated the concrete structure of the present invention's preferred embodiment, a kind of HDMI connector, present embodiment is that example describes with the 19PIN terminal, comprises insulating body 10,19PIN conducting terminal 20, screening can 30 and bottom 40.
A hyoplastron 11 is extended in the front portion of this insulating body 10, and the upper and lower surface of hyoplastron 11 is respectively arranged with the separate slot 12 between the contact site of each conducting terminal, and is adjacent to each other in injection molding process to avoid conducting terminal; The front end face of hyoplastron 11 is provided with groove 13, and the place of fractureing of conducting terminal is sunk in the insulating body, and the burr of avoiding the conducting terminal front end to form behind the strip that fractures exposes; The rear portion of insulating body 10 is extended with a baffle plate 14, and the bottom surface of baffle plate 14 is extended a plurality of dividing plates 15 downwards, also is provided with a plurality of via holes 16 that are used to make things convenient for each conducting terminal of bending on the baffle plate 14.And, be provided with respectively in the place, diagonal angle of insulating body and be used for the caulking groove 17 that cooperates with screening can.
Connecting portion 21 produced by insert molding of this 19PIN conducting terminal 20 are embedded in the aforementioned dielectric body 10, the contact site 22 equal horizontal expansions of 19PIN conducting terminal 20 also are divided into upper surface and the lower surface that two rows are exposed to aforementioned hyoplastron 11 respectively, wherein the row's of going up contact site is 10, under to arrange contact site be 9, and the free tail end of each contact site 22 also is embedded in the hyoplastron 11 of insulating body; Be divided into three row's welding foots that fore-and-aft clearance is arranged after the welding foot 23 downward bendings of 19PIN conducting terminal 20, wherein first row's welding foot 231 is 6PIN, second row's welding foot 232 is 6PIN, the 3rd row's welding foot 233 is 7PIN, and first row's welding foot 231 setting of aliging with the 3rd row welding foot 233 front and back, the spacings distributions (as Fig. 4) that interlock of second row's welding foot, 232 relative the 3rd row's welding foots about 233; The bending part of these welding foots all be close to the aforementioned dielectric body baffle plate 14 under, and each welding foot is between adjacent two dividing plates 15.
This screening can 30 is coated on outside the aforementioned dielectric body 10, and the place, diagonal angle of this screening can is provided with the riveting plate, and this riveting plate is sticked in the caulking groove on the insulating body.
Spiral-lock is in the bottom surface of aforementioned dielectric body 10 from bottom to top for this bottom 40, and corresponding aforementioned each welding foot 23 is provided with a location hole that vertically runs through 41 on the bottom 40, and welding foot 23 is passed down through this location hole 41.
Then, please refer to Fig. 4 to shown in Figure 10, demonstrated a kind of manufacture method of the present invention's HDMI connector, it includes following steps:
The first step: make terminal 20, as shown in Figure 4, punch forming goes out 19 conducting terminals of a row on same sheet metal, the front end of 19 conducting terminals is torn material is shaped to upper and lower two rows, wherein the row of going up be 10 down row be 9; The rear end blanking of 19 terminals is shaped to a row, making wherein, 6 front and back, rear end alignment as the terminal of first row's welding foot 231 and 6 the 3rd row's welding foots 233 are connected, a terminal as the 3rd row's welding foot 233 that has more is provided with separately, and second row's welding foot, 232 relative the 3rd row's welding foot about 233 staggered spacings distribute; And the front end of each conducting terminal 20 still is connected with one first strip 24, and the rear end of each conducting terminal still is connected with one second strip 25.
Second step: make insulating body 10, as shown in Figure 5, outside the connecting portion of aforementioned 19 terminals, coat an insulating body 10 by inserted injection molding process, a hyoplastron 11 is extended in the front portion of insulating body 10, the upper and lower surface that upper and lower two rows of end are exposed to hyoplastron respectively before aforementioned 19 terminals forms contact site, and the free tail end of its contact site is embedded in the insulating body; Simultaneously, extend a baffle plate 14 in the rear portion of insulating body 10, this baffle plate 14 is positioned at the top of holding bending part after the aforementioned plural conductive terminal 20, is extended with the dividing plate 15 between adjacent two conducting terminals downwards in the bottom surface of baffle plate 14.
The 3rd step: cut off strip, as shown in Figure 6, promptly cut off first strip 24 and second strip 25 of the front-end and back-end that are connected in aforementioned 19 conducting terminals respectively, wherein when cutting off second strip 25, cut off simultaneously as being connected between the conducting terminal of first row's welding foot 231 and the 3rd row's welding foot 233, make the rear end of each conducting terminal form three kinds of terminal length, the length of three promptly corresponding row's welding foots, 6 conducting terminal rear ends the shortest, 6 short conducting terminal rear end and 7 conducting terminal rear ends the longest.
The 4th step: bending welding foot, as Fig. 7 in shown in Figure 9, at first 6 the shortest conducting terminal bending 90 degree in rear end in the aforementioned conducting terminal are formed first row's welding foot 231, then 6 long conducting terminal bending 90 degree in rear end in the aforementioned conducting terminal are formed second row's welding foot 232, at last 7 the longest conducting terminal bending 90 degree in rear end in the aforementioned conducting terminal are formed the 3rd row's welding foot 233.
The 5th the step: the assembling bottom 40, as shown in figure 10, with bottom 40 from bottom to top spiral-lock on insulating body 10, each welding foot 23 of conducting terminal is passed over against the location hole 41 on the bottom.
The 6th step: assembling screening can, as shown in figure 10, screening can 30 is set on the insulating body 10 from front to back, and utilizes the riveting plate at place, screening can diagonal angle to cooperate with caulking groove on the insulating body, with the front and back displacement that shell is blocked in restriction, make screening can fixing firm.
In sum, design focal point of the present invention is, it mainly is by being divided into first row's welding foot, second row's welding foot and the 3rd row's welding foot that fore-and-aft clearance is arranged after the downward bending of the welding foot of plural conductive terminal, make wherein and first arrange welding foot with respect to the setting of aliging before and after the 3rd row's welding foot, second arranges staggered spacing distribution about relative the 3rd row's welding foot of welding foot; So can effectively strengthen the spacing between adjacent two welding foots,, make things convenient for the carrying out smoothly of soldering tin technique of product, and then promote product quality and operating efficiency to guarantee the electric property of product.And, by extending baffle plate, utilize this baffle plate to be butted on the back side of welding foot in the insulating body rear portion, prevent that welding foot is bent in the process of inserting bottom; By on this baffle plate, extending dividing plate downwards, utilize this dividing plate also can effectively intercept between adjacent two welding foots, avoid welding foot in the bending process too near and influence transmission quality.
The above, it only is preferred embodiment of the present invention, be not that technical scope of the present invention is imposed any restrictions, so every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment did.
Claims (9)
1. a HDMI connector is characterized in that: comprise
One insulating body, a hyoplastron is extended in the front portion of this insulating body;
A plurality of conducting terminals that distribute side by side, the connecting portion of this plural conductive terminal is panelized into type and is embedded in the aforementioned dielectric body, the equal horizontal expansion of the contact site of plural conductive terminal also is divided into the upper and lower surface that two rows are exposed to aforementioned hyoplastron respectively, be divided into first row's welding foot, second row's welding foot and the 3rd row's welding foot that fore-and-aft clearance is arranged after the downward bending of the welding foot of plural conductive terminal, wherein, first row's welding foot is provided with respect to alignment before and after the 3rd row's welding foot, and staggered spacing distributes about relative the 3rd row's welding foot of second row's welding foot;
One screening can, it is coated on aforementioned dielectric, and this is external;
One bottom, spiral-lock is in the bottom surface of aforementioned dielectric body from bottom to top for it, and corresponding aforementioned each welding foot is provided with a location hole that vertically runs through on the bottom, and welding foot is passed down through this location hole.
2. HDMI connector according to claim 1 is characterized in that: the rear portion of described insulating body is extended with a baffle plate, and the bending part of each welding foot of correspondence is close to the below of this baffle plate.
3. HDMI connector according to claim 2 is characterized in that: the bottom surface of described baffle plate is extended a plurality of dividing plates downwards, and each welding foot of correspondence is between adjacent two dividing plates.
4. HDMI connector according to claim 2 is characterized in that: described baffle plate is provided with the via hole that is used to make things convenient for each conducting terminal of bending.
5. HDMI connector according to claim 1 is characterized in that: the free tail end of the contact site of described each conducting terminal is embedded in the hyoplastron of insulating body.
6. HDMI connector according to claim 1 is characterized in that: be provided with groove at each conducting terminal on the front end face of described hyoplastron, the place of fractureing of conducting terminal is sunken in this groove.
7. HDMI connector according to claim 1 is characterized in that: be respectively arranged with the separate slot between two contact sites on the upper and lower surface of described hyoplastron.
8. the manufacture method of a HDMI connector is characterized in that: include following steps:
The first step: make conducting terminal, punch forming goes out row's plural conductive terminal on same sheet metal, the front end of plural conductive terminal is torn material be shaped to upper and lower two rows, the rear end blanking of a plurality of terminals is shaped to a row, making wherein as alignment before and after the rear end of the conducting terminal of first row's welding foot and the 3rd row's welding foot to be connected, as the rear end of second row's welding foot with respect to as staggered spacing distribution about the rear end of the conducting terminal of the 3rd row's welding foot; And the front end of this plural conductive terminal still is connected with one first strip, and the rear end of plural conductive terminal still is connected with one second strip;
Second step: make insulating body, outside the connecting portion of aforementioned a plurality of terminals, coat an insulating body by inserted injection molding process, a hyoplastron is extended in the front portion of insulating body, and the upper and lower surface that upper and lower two rows of end are exposed to hyoplastron respectively before the aforementioned plural conductive terminal forms contact site;
The 3rd step: cut off strip, promptly cut off first strip and second strip of the front-end and back-end that are connected in aforementioned plural conductive terminal respectively, wherein when cutting off second strip, cut off simultaneously as being connected between the terminal of first row's welding foot and the 3rd row's welding foot, make the rear end of this plural conductive terminal form three kinds of terminal length, the length of three promptly corresponding row's welding foots;
The 4th step: bending welding foot, at first that rear end in aforementioned a plurality of terminals is the shortest terminal bending 90 degree form first row's welding foot, then that rear end in aforementioned a plurality of terminals is long terminal bending 90 degree form second row's welding foot, and at last that rear end in aforementioned a plurality of terminals is the longest terminal bending 90 degree form the 3rd row's welding foot;
The 5th the step: the assembling bottom, with bottom from bottom to top spiral-lock in the bottom surface of insulating body each welding foot of conducting terminal is passed over against the location hole on the bottom;
The 6th step: the assembling screening can screening can is set on the insulating body from front to back, and riveted shell and plastic cement makes it can not get loose.
9. the manufacture method of HDMI connector according to claim 8, it is characterized in that: in the process of making insulating body in described second step, mold a baffle plate in the rear portion of insulating body, mold a plurality of dividing plates in the bottom surface of baffle plate, on baffle plate, mold and be useful on the via hole that makes things convenient for each conducting terminal of bending; Perhaps, the free tail end of the contact site of each conducting terminal is embedded in the insulating body; Perhaps, on the front end face of hyoplastron, mold groove simultaneously at each conducting terminal; Perhaps, simultaneously mold separate slot between two contact sites respectively in the upper and lower surface of hyoplastron.
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| CN201010604374.6A CN102097688B (en) | 2010-12-24 | 2010-12-24 | High definition multimedia interface (HDMI) connector and manufacturing method thereof |
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| CN201010604374.6A CN102097688B (en) | 2010-12-24 | 2010-12-24 | High definition multimedia interface (HDMI) connector and manufacturing method thereof |
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| CN112688143A (en) * | 2021-01-15 | 2021-04-20 | 怡得乐电子(杭州)有限公司 | ECU small-size PIN needle dense arrangement production process |
| CN114389097A (en) * | 2022-01-20 | 2022-04-22 | 东莞高端精密电子股份有限公司 | Electric connector and manufacturing method thereof |
| TWI806593B (en) * | 2022-05-06 | 2023-06-21 | 佳必琪國際股份有限公司 | Multimedia socket connector and manufacturing method thereof |
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